| # | Name | Location | Applications |
|---|---|---|---|
| 1. | HDR Architecture, Inc. | 🇺🇸 Omaha, NE, United States | 4 |
| 2. | HDR LLC | 🇺🇸 Park City, UT, United States | 1 |
| 3. | HDR SG PTE. LTD | 🇸🇬 Prudential Tower, Singapore | 1 |
| 4. | HDR SG PTE. LTD. | 🇸🇬 Singapore, Singapore | 2 |
| 5. | HDR, INC. | 🇺🇸 OMAHA, NE, United States | 5 |
| 6. | HDR, INC. | Omaha, un | 1 |
| 7. | HDRlog SARL | 🇫🇷 Montpellier, France | 1 |
| 8. | hDrop Technologies Inc. | 🇺🇸 Little Rock, AR, United States | 1 |